245087241

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{911}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 390832128

約数和(自身を除く): 145744887

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 557, 911, 1671, 2733, 3899, 6377, 11697, 12811, 19131, 20953, 38433, 62859, 89677, 146671, 269031, 440013, 507427, 1522281, 3551989, 10655967, 11670821, 35012463, 81695747, 245087241]

約数ペア:

[(1, 245087241), (3, 81695747), (7, 35012463), (21, 11670821), (23, 10655967), (69, 3551989), (161, 1522281), (483, 507427), (557, 440013), (911, 269031), (1671, 146671), (2733, 89677), (3899, 62859), (6377, 38433), (11697, 20953), (12811, 19131)]